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Deprecated: Implicit conversion from float 219.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 J+Med+Virol 2021 ; 93 (10): 5825-5832 Nephropedia Template TP
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Inhibitory effect on SARS-CoV-2 infection of neferine by blocking Ca(2+) -dependent membrane fusion #MMPMID34061377
Yang Y; Yang P; Huang C; Wu Y; Zhou Z; Wang X; Wang S
J Med Virol 2021[Oct]; 93 (10): 5825-5832 PMID34061377show ga
The coronavirus disease 2019 (COVID-19) pandemic has focused attention on the need to develop effective therapeutics against the causative pathogen, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), and also against other pathogenic coronaviruses. In this study, we report on a kind of bisbenzylisoquinoline alkaloid, neferine, as a pan-coronavirus entry inhibitor. Neferine effectively protected HEK293/hACE2 and HuH7 cell lines from infection by different coronaviruses pseudovirus particles (SARS-CoV-2, SARS-CoV-2 [D614G, N501Y/D614G, 501Y.V1, 501Y.V2, 501Y.V3 variants], SARS-CoV, MERS-CoV) in vitro, with median effect concentration (EC(50) ) of 0.13-0.41 muM. Neferine blocked host calcium channels, thus inhibiting Ca(2+) -dependent membrane fusion and suppressing virus entry. This study provides experimental data to support the fact that neferine may be a promising lead for pan-coronaviruses therapeutic drug development.